netdev - [PATCH] net : enable tx time stamping in the vde driver.

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Message-Id: <1354807505-21222-1-git-send-email-paul.chavent@onera.fr>
Date:	Thu,  6 Dec 2012 16:25:05 +0100
From:	Paul Chavent <Paul.Chavent@...ra.fr>
To:	jdike@...toit.com, richard@....at,
	user-mode-linux-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org, richardcochran@...il.com
Cc:	Paul Chavent <Paul.Chavent@...ra.fr>
Subject: [PATCH] net : enable tx time stamping in the vde driver.

This new version moves the skb_tx_timestamp in the main uml
driver. This should avoid the need to call this function in each
transport (vde, slirp, tuntap, ...). It also add support for ethtool
get_ts_info.

Signed-off-by: Paul Chavent <paul.chavent@...ra.fr>
---
 arch/um/drivers/net_kern.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index b1314eb..5aa8696 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -218,6 +218,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	spin_lock_irqsave(&lp->lock, flags);
 
 	len = (*lp->write)(lp->fd, skb, lp);
+	skb_tx_timestampns(skb);
 
 	if (len == skb->len) {
 		dev->stats.tx_packets++;
@@ -281,6 +282,7 @@ static void uml_net_get_drvinfo(struct net_device *dev,
 static const struct ethtool_ops uml_net_ethtool_ops = {
 	.get_drvinfo	= uml_net_get_drvinfo,
 	.get_link	= ethtool_op_get_link,
+	.get_ts_info	= ethtool_op_get_ts_info,
 };
 
 static void uml_net_user_timer_expire(unsigned long _conn)
-- 
1.7.12.1

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